CN218980565U

CN218980565U - Sewage treatment sand discharging device

Info

Publication number: CN218980565U
Application number: CN202223191061.XU
Authority: CN
Inventors: 李贺; 吴波; 周国亚; 王鹏鹞; 殷锡芬; 张婉; 赵晓东
Original assignee: Yixing Quanxi Environmental Protection Co ltd; Penyao Enviromental Protection Co Ltd
Current assignee: Yixing Quanxi Environmental Protection Co ltd; Penyao Enviromental Protection Co Ltd
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-05-09
Anticipated expiration: 2032-11-30

Abstract

The utility model relates to the sand discharge field of grit chambers and discloses a sewage treatment sand discharge device, which comprises a grit chamber, wherein two sand scraping hoppers are arranged in the grit chamber, two fixed plates are fixedly connected between the two sand scraping hoppers, a bucket is arranged in the two sand scraping hoppers, one side of the lower end of the bucket is fixedly connected with a connecting plate, the connecting plate is hinged with the sand scraping hoppers, the surface of the bucket is provided with uniform water through holes, the lower end of the bucket is provided with an ejection device, one side of the fixed plate is provided with a first threaded rod, the other side of the fixed plate is provided with a limiting rod, one side of the first threaded rod is fixedly connected with a first forward and reverse rotation motor, the lower ends of the first threaded rod and the limiting rod are provided with lifting brackets, and both sides of the lifting brackets are provided with hydraulic cylinders. The utility model can automatically collect the gravel at the bottom of the grit chamber to one place and lift the gravel, and the grit chamber can also carry out the sand discharge operation when sewage is contained in the grit chamber.

Description

Sewage treatment sand discharging device

Technical Field

The utility model relates to the field of sand discharge of grit chambers, in particular to a sewage treatment sand discharge device.

Background

The sewage is inevitably mixed with muddy sand in the migration, flow and collection processes, and if sand in the sewage is not settled, separated and removed in advance, the operation of subsequent treatment equipment can be influenced. The sand setting tank is equipment for treating sediment in sewage, the horizontal flow type sand setting tank is used for adding sewage into the sand setting tank, sand in the sewage is settled at the bottom of the sand setting tank through the weight of the sediment, the flow rate of the sewage is controlled when the sewage enters the sand setting tank, the flow rate of the sewage is reduced, and the settling efficiency of the sand in the sewage is improved.

After the sewage in the horizontal flow type grit chamber is settled, the grits are left at the bottom of the grit chamber, the grits need to be recycled, the existing grit chamber to bottom grit treatment method generally needs to discharge the sewage in the grit chamber, then the silt at the bottom of the grit chamber is gathered into one place through manual work or scraping equipment, and then the grits are brought to the outer side of the grit chamber through other lifting equipment or manual modes, so that the grit treatment step is complicated, and the operation is needed after the sewage is discharged.

Disclosure of Invention

The utility model mainly aims to provide the sewage treatment sand discharging device, which can effectively solve the problems that the prior sand setting tank provided in the background art is complicated in sand discharging steps and needs more equipment, and meanwhile, the device can discharge sand when sewage exists in the sand setting tank, so that the practicability of the device is stronger.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a sewage treatment arranges sand device, includes the grit chamber, be provided with in the grit chamber and scrape the sand hopper, scrape the sand hopper and be provided with two altogether, two fixedly connected with fixed plate between the sand hopper is scraped to two be provided with the scraper bowl in the sand hopper, scraper bowl lower extreme one side fixedly connected with connecting plate, it is articulated between connecting plate and the sand hopper to scrape, even water through hole has been seted up on the surface of scraper bowl, the lower extreme of scraper bowl is provided with ejecting device, one side of fixed plate is provided with first threaded rod, the opposite side of fixed plate is provided with the gag lever post, one side fixedly connected with first positive and negative rotation motor of first threaded rod and gag lever post, the lower extreme of first threaded rod and gag lever post is provided with the lifting support, the both sides of lifting support all are provided with the pneumatic cylinder.

Preferably, the first threaded rod is in threaded connection with the fixed plate, the limiting rod is in sliding connection with the fixed plate, the first forward and reverse rotating motor is fixedly installed on the lifting support, and the limiting rod is fixedly installed on the lifting support.

Preferably, the mounting frame is fixedly connected with two sides of the upper end of the grit chamber, the hydraulic cylinder is fixedly mounted on the mounting frame, and the telescopic rod of the hydraulic cylinder is fixedly connected with the upper surface of the lifting support.

Preferably, the upper surface of scraping sand hopper and the upper surface of scraper bowl are laminated each other and are set up, the point of scraping sand hopper is located the point below of scraper bowl, the equal slope in surface of scraping sand hopper and scraper bowl sets up, the inclination of scraping sand hopper and scraper bowl is the same, set up flutedly on the upper surface of scraping sand hopper, mutually support between connecting plate and the recess and set up.

Preferably, the sand scraping hopper is internally provided with a cavity, the ejection device comprises a second forward-reverse rotation motor, the second forward-reverse rotation motor is fixedly arranged in the cavity, a rotating shaft is fixedly connected to an output shaft of the second forward-reverse rotation motor, one end of the rotating shaft, which is far away from the second forward-reverse rotation motor, is fixedly connected with a first bevel gear, a second bevel gear is meshed with the first bevel gear, the middle part of the second bevel gear is fixedly connected with a second threaded rod, the bottom of the second threaded rod is rotatably connected with the bottom of the cavity in the sand scraping hopper through a bearing, and a threaded pipe is connected with the outer side of the upper end of the second threaded rod through threads.

Preferably, the upper side of the sand scraping hopper is provided with a limiting hole, the limiting hole is communicated with a cavity in the sand scraping hopper, the limiting hole is connected with the threaded pipe in a sliding manner, and the transverse sections of the limiting hole and the threaded pipe are rectangular.

Preferably, an arc groove is formed in the side wall of the bottom of the grit chamber, and a water inlet pipe and a water outlet pipe are respectively connected to the side wall of the grit chamber.

Compared with the prior art, the utility model has the following beneficial effects:

1. this device is through setting up the scraper bowl in the upper end of scraping the sand hopper, drive the bottom motion of scraping sand hopper and scraper bowl in the grit chamber through first positive and negative motor, can scrape the grit of grit chamber bottom to the upper end of scraper bowl, can drive the upper end to the grit chamber through pneumatic cylinder with lifting support and scraper bowl, accomplish fast and collect grit chamber bottom grit, the lower extreme cooperation of scraper bowl sets up ejecting device simultaneously, make the scraper bowl change at the in-process angle that rises, the grit in the scraper bowl is difficult to drop in lifting process from the scraper bowl, can gather a department with the grit of grit chamber bottom automatically through above operation, and can promote the grit automatically, the step is simple, need not external more operating device.

2. Through the sand discharge in the above mode, even if sewage is contained in the grit chamber, the grits at the bottom of the grit chamber can be taken out through the bucket, and advanced water discharge is not needed.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a top view of the present utility model.

Fig. 3 is a cross-sectional view of the present utility model.

Fig. 4 is an enlarged view of the utility model at a in fig. 3.

Fig. 5 is an enlarged view of the present utility model at B in fig. 3.

Fig. 6 is a cross-sectional view of the present utility model after the bucket angle is changed.

Fig. 7 is an enlarged view of the present utility model at C in fig. 6.

In the figure: 1. a sand setting tank; 2. a sand scraping hopper; 3. a fixing plate; 4. a first threaded rod; 5. a first forward/reverse rotation motor; 6. lifting the bracket; 7. a hydraulic cylinder; 8. a groove; 9. a mounting frame; 10. a connecting plate; 11. a second forward/reverse rotation motor; 12. a rotating shaft; 13. a first bevel gear; 14. a second bevel gear; 15. a second threaded rod; 16. a threaded tube; 17. a limiting hole; 18. a control panel; 19. a water inlet pipe; 20. a drain pipe; 21. an arc groove; 22. a limit rod; 23. a bucket; 24. and a water through hole.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1-7, a sewage treatment sand discharging device comprises a sand setting tank 1, wherein sand scraping hoppers 2 are arranged in the sand setting tank 1, two sand scraping hoppers 2 are arranged in total, a fixed plate 3 is fixedly connected between the two sand scraping hoppers 2, a bucket 23 is arranged in the two sand scraping hoppers 2, one side of the lower end of the bucket 23 is fixedly connected with a connecting plate 10, the connecting plate 10 is hinged with the sand scraping hoppers 2, uniform water holes 24 are formed in the surface of the bucket 23, an ejector device is arranged at the lower end of the bucket 23, a first threaded rod 4 is arranged on one side of the fixed plate 3, a limit rod 22 is arranged on the other side of the fixed plate 3, a first positive and negative rotating motor 5 is fixedly connected on one side of the first threaded rod 4 and the lower end of the limit rod 22, lifting brackets 6 are arranged on the lower ends of the first threaded rod 4 and the limit rod 22, and hydraulic cylinders 7 are arranged on two sides of the lifting brackets 6.

The first threaded rod 4 is in threaded connection with the fixed plate 3, the limiting rod 22 is in sliding connection with the fixed plate 3, the first forward and reverse rotation motor 5 is fixedly arranged on the lifting support 6, the limiting rod 22 is fixedly arranged on the lifting support 6, and when the first forward and reverse rotation motor 5 drives the first threaded rod 4 to rotate, the fixed plate 3 can move under the limiting of the limiting rod 22.

The upper end both sides fixedly connected with mounting bracket 9 of grit chamber 1, pneumatic cylinder 7 fixed mounting is on mounting bracket 9, and fixed connection between the telescopic link of pneumatic cylinder 7 and the upper surface of lifting support 6, pneumatic cylinder 7 drive lifting support 6 remove in grit chamber 1, can rise sand scraping hopper 2 and lifting support 6 to on the upper surface of grit chamber 1.

The upper surface of the sand scraping hopper 2 and the upper surface of the bucket 23 are mutually attached, the tip of the sand scraping hopper 2 is located below the tip of the bucket 23, the surfaces of the sand scraping hopper 2 and the bucket 23 are obliquely arranged, the inclination angles of the sand scraping hopper 2 and the bucket 23 are the same, the upper surface of the sand scraping hopper 2 is provided with a groove 8, and the connecting plate 10 and the groove 8 are mutually matched.

The sand scraping hopper 2 is internally provided with a cavity, the ejection device comprises a second forward and reverse rotation motor 11, the second forward and reverse rotation motor 11 is fixedly arranged in the cavity, a rotating shaft 12 is fixedly connected to an output shaft of the second forward and reverse rotation motor 11, one end, away from the second forward and reverse rotation motor 11, of the rotating shaft 12 is fixedly connected with a first bevel gear 13, a second bevel gear 14 is meshed on the first bevel gear 13, the middle part of the second bevel gear 14 is fixedly connected with a second threaded rod 15, the bottom of the second threaded rod 15 is in rotary connection with the bottom of the cavity in the sand scraping hopper 2 through a bearing, a threaded pipe 16 is connected to the outer side of the upper end of the second threaded rod 15 in a threaded manner, and the second forward and reverse rotation motor 11 drives the rotating shaft 12, the first bevel gear 13 and the second bevel gear 14 to rotate, so that the second threaded rod 15 is driven to rotate.

The limiting hole 17 is formed in the upper side of the sand scraping hopper 2, the limiting hole 17 is communicated with the cavity in the sand scraping hopper 2, the limiting hole 17 is in sliding connection with the threaded pipe 16, the transverse sections of the limiting hole 17 and the threaded pipe 16 are rectangular, the limiting hole 17 and the threaded pipe 16 are in sliding connection, when the second threaded rod 15 rotates, the threaded pipe 16 can be driven to slide on the limiting hole 17, and when the threaded pipe 16 moves upwards, the bucket 23 can be jacked up from the bottom, so that the angle of the bucket 23 is changed.

The arc groove 21 is formed in the side wall of the bottom of the grit chamber 1, when the bucket 23 is jacked up by the jacking device, the tip of the bucket 23 can rotate around the hinge joint of the connecting plate 10 and the sand scraping hopper 2, and at the moment, the tip of the bucket 23 is attached to the arc groove 21 to rotate.

The lateral wall of the grit chamber 1 is respectively connected with a water inlet pipe 19 and a water outlet pipe 20, the outer lateral wall of the grit chamber 1 is fixedly provided with a control panel 18, the output end of the control panel 18 is electrically connected with the output ends of the first forward and backward rotating motor 5, the second forward and backward rotating motor 11 and the hydraulic cylinder 7, and when the grit chamber is used, the control panel 18, the first forward and backward rotating motor 5, the second forward and backward rotating motor 11 and the hydraulic cylinder 7 are respectively electrified, and the first forward and backward rotating motor 5, the second forward and backward rotating motor 11 and the hydraulic cylinder 7 are respectively controlled by the control panel 18 to work.

The working principle of the utility model is as follows: when the device is used, sewage is added into the grit chamber 1 through the water inlet pipe 19, gravel in the sewage is settled in the grit chamber 1, water is discharged through the water outlet pipe 20, more gravel is settled at the bottom of the grit chamber 1, the first forward and backward rotation motor 5 is controlled to drive the first threaded rod 4 to rotate, the fixed plate 3 can move along the direction of the first threaded rod 4 at the bottom of the grit chamber 1, the scraper bucket 2 drives the scraper bucket 23 on the fixed plate to move to scrape the gravel at the bottom of the grit chamber 1 into the scraper bucket 23, the tip of the scraper bucket 2 is positioned below the tip of the scraper bucket 23, the gravel can be prevented from entering between the scraper bucket 2 and the scraper bucket 23, the gravel can completely enter the scraper bucket 23, after the tip of the scraper bucket 23 and the side surface of the grit chamber 1 are mutually attached, the lower end of the scraper bucket 23 is provided with an ejection device, wherein the second forward and backward rotation motor 11 drives the rotating shaft 12, the first bevel gear 13 and the second bevel gear 14 to rotate, thereby driving the second threaded rod 15 to rotate, when the second threaded rod 15 rotates, the threaded pipe 16 which is in threaded connection with the second threaded rod is driven to move, the threaded pipe 16 is ejected upwards, one end of the bucket 23 is lifted, the tip of the bucket 23 rotates along the circular arc groove 21, the tip of the bucket 23 is inclined upwards, thus, the lifting bracket 6 is driven to move upwards through the hydraulic cylinder 7, meanwhile, the bucket 23 and the sand scraping hopper 2 are driven to move upwards, the sand on the bucket 23 is not easy to fall out from the bucket 23 in the upward movement process because the tip is inclined upwards, after the bucket 23 is lifted to the upper end of the sand sedimentation tank 1, the sand in the bucket 23 can be completely cleaned, the device can lift the sand in the sand sedimentation tank to the upper end of the sand sedimentation tank 1 to be discharged, sand discharge is convenient, the sand can be discharged under the condition that the water in the sand setting tank 1 is not completely emptied, in the sand discharging process, the bucket 23 is provided with the water through holes 24, and the water through holes 24 can filter the water and sand in the bucket 23.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a sewage treatment sand discharge device, includes grit chamber (1), its characterized in that: be provided with in the grit chamber (1) and scrape sand hopper (2), scrape sand hopper (2) and be provided with two altogether, two fixedly connected with fixed plate (3) between scraping sand hopper (2) one side fixedly connected with scraper bowl (23) in scraping sand hopper (2), scraper bowl (23) lower extreme one side fixedly connected with connecting plate (10), articulated between connecting plate (10) and the sand hopper (2), even limbers (24) have been seted up on the surface of scraper bowl (23), the lower extreme of scraper bowl (23) is provided with ejecting device, one side of fixed plate (3) is provided with first threaded rod (4), the opposite side of fixed plate (3) is provided with gag lever post (22), one side fixedly connected with first positive and negative rotating electrical machine (5) of first threaded rod (4) and gag lever post (22), the lower extreme of lifting support (6) is provided with lifting support (6), both sides of lifting support (6) all are provided with pneumatic cylinder (7).

2. A wastewater treatment sand removal apparatus as claimed in claim 1, wherein: the lifting device is characterized in that the first threaded rod (4) is in threaded connection with the fixed plate (3), the limiting rod (22) is in sliding connection with the fixed plate (3), the first positive and negative rotating motor (5) is fixedly installed on the lifting support (6), and the limiting rod (22) is fixedly installed on the lifting support (6).

3. A wastewater treatment sand removal apparatus as claimed in claim 2, wherein: the sand setting device is characterized in that mounting frames (9) are fixedly connected to two sides of the upper end of the sand setting tank (1), the hydraulic cylinder (7) is fixedly mounted on the mounting frames (9), and a telescopic rod of the hydraulic cylinder (7) is fixedly connected with the upper surface of the lifting support (6).

4. A wastewater treatment sand removal apparatus as claimed in claim 1, wherein: the upper surface of scraping sand hopper (2) and the upper surface of scraper bowl (23) are laminated each other and set up, the point of scraping sand hopper (2) is located the point below of scraper bowl (23), the equal slope in surface of scraping sand hopper (2) and scraper bowl (23) sets up, the inclination of scraping sand hopper (2) and scraper bowl (23) is the same, set up flutedly (8) on the upper surface of scraping sand hopper (2), mutually support between connecting plate (10) and recess (8) and set up.

5. A wastewater treatment sand removal apparatus as claimed in claim 4, wherein: be provided with the cavity in the sand scraping hopper (2), ejecting device includes second positive and negative rotation motor (11), second positive and negative rotation motor (11) fixed mounting is in the cavity, fixedly connected with pivot (12) on the output shaft of second positive and negative rotation motor (11), the one end fixedly connected with first bevel gear (13) of second positive and negative rotation motor (11) is kept away from in pivot (12), the meshing has second bevel gear (14) on first bevel gear (13), the middle part fixedly connected with second threaded rod (15) of second bevel gear (14), cavity bottom swivelling joint in the bottom of second threaded rod (15) and sand scraping hopper (2) is passed through the bearing, the upper end outside threaded connection of second threaded rod (15) has screwed pipe (16).

6. A wastewater treatment sand removal apparatus as claimed in claim 5, wherein: the sand scraping device is characterized in that a limiting hole (17) is formed in the upper side of the sand scraping hopper (2), the limiting hole (17) is communicated with a cavity in the sand scraping hopper (2), the limiting hole (17) is connected with the threaded pipe (16) in a sliding mode, and the transverse sections of the limiting hole (17) and the threaded pipe (16) are rectangular.

7. A wastewater treatment sand removal apparatus as claimed in claim 1, wherein: an arc groove (21) is formed in the side wall of the bottom of the grit chamber (1), and a water inlet pipe (19) and a water outlet pipe (20) are respectively connected to the side wall of the grit chamber (1).